Free Environmental Toxicology Essays   Free Environmental Toxicology Essays

Dioxin Pollution
Dioxin Pollution Dioxin is one of the most toxic chemicals known. A report released for public comment in September 1994 by the US Environmental Protection Agency clearly describes dioxin as a serious public health threat. The public health impact of dioxin may rival the impact that DDT had on public health in the 1960\'s. According to the EPA report, not only does there appear to be no safe level of exposure to dioxin, but levels of dioxin and dioxin-like chemicals have been found in the genera...

Faster Dissolved Oxygen Test Kit
Faster Dissolved Oxygen Test Kit Purpose The purpose of my project is to determine if there is any significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH method or the newly developed CHEMets test kit under typical field conditions. Hypothesis My hypothesis is that there is no significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH method or the newly developed CHEMets test kit under typical field conditions. Review of Li...

An Ecosystem's Disturbance by a Pollutant
An Ecosystem\'s Disturbance by a Pollutant Paul Cordova L. Lehr December 11, 1995 Freedman defines a pollutant as the occurrence of toxic substances or energy in a larger quality then the ecological communities or particular species can tolerate without suffering measurable detriment (Freeman, 562). Although the effects of a pollutant on an organism vary depending on the dose and duration (how long administered). The impact can be one of sublethality to lethality, all dependent upon the facto...

Hemp
Hemp It is time the United States join the ranks of advanced nations and permit the production of industrial hemp. Industrial hemp is not an addictive drug, has a variety of uses that are environmentally friendly, and would be beneficial to our economy. The United States is paralyzed by the belief that industrial hemp is a drug crop. This belief has been nurtured by much misinformation. All marijuana is hemp, but not all hemp is marijuana, said Paul Mahlberg, a professor at Indiana University ...

Pesticides
Pesticides United States Prevention, Pesticides EPA-738-F-94-030 Environmental Protection And Toxic Substances September 1994 Agency (7508W) R.E.D. FACTS Limonene Pesticide Reregistration All pesticides sold or distributed in the United States must be registered by EPA, based on scientific studies showing that they can be used without posing unreasonable risks to people or the environment. Because of advances in scientific knowledge, the law requires that pesticides which were first registered y...

Forensic Toxicology
Forensic Toxicology Brandon Krom Vincennes University Forensic toxicology shows us poisons that are difficult to detect and how toxicological examination s w ere made in the 19 th century. The history of toxicology goes way back to 50 000 BCE with early humans who used dangerous plants and animals during hunting. The wor d toxicology derived from the Greek. It's science that deals with the adverse effects caused by xenobiotics on living things . Xenobiotics are chemicals that are foreign to liv...

Marine Conservation Lab Report
Marine Conservation Lab Report Instructions: In the Marine Conservation lab, you will complete a necropsy to observe shark anatomy and determine the cause of death of a dogfish shark. Record your observations in the lab report below. You will submit your completed report. (30 points possible) Name and Title (1 point) Victoria Arruda 04/24/2017 Marine Conservation Lab. Objective(s) (2 points) Determine the death cause of the shark and identify how human activities impact marine life and anal...